Pith Number

pith:O627JTEO

pith:2012:O627JTEOFMNLFGEHIGDJBLJTBC

not attested not anchored not stored refs pending

Metric Learning across Heterogeneous Domains by Respectively Aligning Both Priors and Posteriors

Qiang Qian, Songcan Chen

arxiv:1208.1829 v1 · 2012-08-09 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O627JTEOFMNLFGEHIGDJBLJTBC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:49:09.884242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b5f4cc8e2b1ab29887418690ad330897a648bdef73c5843c523638ac364074

Aliases

arxiv: 1208.1829 · arxiv_version: 1208.1829v1 · doi: 10.48550/arxiv.1208.1829 · pith_short_12: O627JTEOFMNL · pith_short_16: O627JTEOFMNLFGEH · pith_short_8: O627JTEO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O627JTEOFMNLFGEHIGDJBLJTBC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 77b5f4cc8e2b1ab29887418690ad330897a648bdef73c5843c523638ac364074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e44d5a505c355f16dd68ada8853377c4570f833ef208de458e0680559676dff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-08-09T07:14:37Z",
    "title_canon_sha256": "f9d09a28bff22c820d9f5ee3fec1019f1c863a60979bf7a939edfe35fe6bd959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1829",
    "kind": "arxiv",
    "version": 1
  }
}